package yyy.ab.common.converter;

import org.springframework.core.convert.converter.Converter;

/**
 *
 */
public class StringConverter implements Converter<String, String> {

    @Override
    public String convert(@SuppressWarnings("NullableProblems") String source) {
        if ("null".equals(source)) {
            return null;
        } else {
            return source;
        }
    }
}
